To inject more, the central bank wants to publish comparisons of the differing rates that banks charge on overdrafts.

ECONOMIST: Consumer credit in Brazil

There was such an uproar over it that federal banking regulators instituted new rules, forcing many banks to alter their policies on overdrafts and requiring them to get a customer's consent to overdraft protection instead of automatically offering it.

FORBES: Banking

Much larger sums, running into many billions of pounds, are set aside each year by banks and other lenders to cover potential losses on credit cards, mortgages, overdrafts, and personal loans.

BBC: Credit card bad debt write-offs double